20.The problem of indefinite blockage of low-priority jobs in general priority scheduling algorithm can be solved using :

(A)Parity bit (B)Aging (C)Compaction (D)Timer

21.Which API is used to draw a circle ?

(A)Circle ( ) (B)Ellipse ( ) (C)Round Rect ( ) (D)Pie ( )

22.In DML, RECONNCT command cannot be used with

(A)OPTIONAL Set (B)FIXED Set

(C)MANDATOR Set (D)All of the above

23. Coaxial cables are categorized by Radio Government rating are adapted for specialized functions. Category RG-59 with impedance 75 used for

(A)Cable TV (B)Ethernet (C)Thin Ethernet b (D)Thick Ethernet

24.RAD stands for ______.

(A)Rapid and Design (B)Rapid Aided Development

(C)Rapid Application Development (D)Rapid Application Design

25.Suppose that someone starts with a chain letter. Each person who receives the letter is asked to send it on to 4 other people. Some people do this, while some do not send any letter. How many people have seen the letter, including the first person, if no one receives more than one letter and if the chain letter ends after there have been 100 people who read it but did not send it out ? Also find how many people sent out the letter ?

27.Which of the following is true while converting CFG to LL(I) grammar ?

(A)Remove left recursion alone (B)Factoring grammar alone

(C)Both of the above (D)None of the above

28.Identify the Risk factors which are associated with Electronic payment system.

(A)Fraudulent use of Credit Cards.

(B)Sending Credit Card details over internet.

(C)Remote storage of Credit Card details.

(D)All of the above

29.Which of the following are two special functions that are meant for handling exception, that occur during exception handling itself ?

(A)Void terminate ( ) and Void unexpected ( )

(B)Non void terminate ( ) and void unexpected ( )

(C)Void terminate ( ) and non void unexpected ( )

(D)Non void terminate ( ) and non void unexpected ( )

30.Which of the following memory allocation scheme suffers from external fragmentation ?

(A)Segmentation (B)Pure demand paging

(C)Swapping (D)Paging

31.Basis path testing falls under

(A)system testing (B)white box testing

(C)black box testing (D)unit testing

32.The User Work Area (UWA) is a set of Program variables declared in the host program to communicate the contents of individual records between

(A)DBMS & the Host record (B)Host program and Host record

(C)Host program and DBMS (D)Host program and Host language

33.Consider the tree given below :

Using the property of eccentricity of a vertex, find every vertex that is the centre of the given tree.

(A)d & h (B)c & k (C)g, b, c, h, i, m (D)c & h

34.The maximum number of keys stored in a B-tree of order m and depth d is

(A)md + 1 – 1 md+1 – 1

(B)m – 1

(C)(m – 1) (md + 1 – 1) md – 1

(D)m + 1

35.Which of the following is the most powerful parring method ?

(A)LL(I) (B)Canonical LR (C)SLR (D)LALR

36.In UNIX, which of the following command is used to set the task priority ?

(A)init (B)nice (C)kill (D)PS

37.AES is a round cipher based on the Rijndal Algorithm that uses a 128-bit block of data. AES has three different configurations. ______ rounds with a key size of 128 bits, ______ rounds with a key size of 192 bits and ______rounds with a key size of 256 bits.

40.Given an empty stack, after performing push (1), push (2), Pop, push (3), push (4), Pop, Pop, push(5), Pop, what is the value of the top of the stack ?

(A)4 (B)3 (C)2 (D)1

41.Enumeration is a process of

(A)Declaring a set of numbers (B)Sorting a list of strings

(C)Assigning a legal values possible for a variable

(D)Sequencing a list of operators

42. Which of the following mode declaration is used in C++ to open a file for input ?

(A)ios : : app (B)in : : ios (C)ios : : file (D)ios : : in

43. Data Encryption Techniques are particularly used for ______.

(A)protecting data in Data Communication System.

(B)reduce Storage Space Requirement.

(C)enhances Data Integrity.

(D)decreases Data Integrity.

44. Let L be a set accepted by a non-deterministic finite automaton. The number of states in non-deterministic finite automaton is |Q|. The maximum number of states in equivalent finite automaton that accepts L is

(A)|Q| (B)2|Q| (C)2|Q|– 1 (D)2|Q|

45.What is the result of the following expression ?(1 & 2) + (3 & 4)

(A)1 (B)3 (C)2 (D)0

46. Back propagation is a learning technique that adjusts weights in the neural network by propagating weight changes.